Erbijsommen tot 20
Erbijsommen
|
1.
12 + 6 =
18
9
|
2.
7 + 4 =
7
11
|
3.
4 + 6 =
10
12
|
4.
4 + 1 =
5
4
|
|
5.
19 + 0 =
19
13
|
6.
8 + 6 =
14
17
|
7.
12 + 1 =
5
13
|
8.
10 + 9 =
4
19
|
|
9.
16 + 3 =
1
19
|
10.
6 + 9 =
5
15
|
11.
17 + 0 =
11
17
|
12.
6 + 8 =
14
10
|
|
13.
1 + 17 =
18
11
|
14.
16 + 1 =
17
8
|
15.
14 + 5 =
19
11
|
16.
9 + 3 =
12
11
|
|
17.
8 + 1 =
9
10
|
18.
12 + 3 =
2
15
|
19.
8 + 3 =
16
11
|
20.
12 + 6 =
10
18
|